“the Averirah should be on the person who made the mistake , not the consumer”
when moshiach comes, bimheira biyameinu, im not certain a kashrus agency will fall into the category of “beis din” that would bring a par helem davar and the individual would bring his own chattas regardless. regardless, whether it is a dioraisa or a dirabbanan, it is the halacha and one should be diligent and not put the onus on someone else.